condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	5.168733333333333	0.0	15.5062
12 h after light	0.0	0.0	0.0
4 h after dark	3.61234	0.0	6.32971
8 h after dark	0.0	0.0	0.0
12 h after dark	2.98977	0.0	4.95748